FREEMANTLE DAVID. (2007). SUPERBOSS: THE A-Z OF MANAGING PEOPLE SUCCESSFULLY. JAICO PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)FREEMANTLE DAVID. SUPERBOSS: THE A-Z OF MANAGING PEOPLE SUCCESSFULLY. MUMBAI: JAICO PUBLISHING HOUSE, 2007.
Lua MLA (9ú heag.)FREEMANTLE DAVID. SUPERBOSS: THE A-Z OF MANAGING PEOPLE SUCCESSFULLY. JAICO PUBLISHING HOUSE, 2007.
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